Sony on Wednesday announced the “world's lightest 13-Inch standard voltage PC” in the US. Besides its ultra-thin and light design, the new Vaio Z is particularly noteworthy for its Light Peak-enabled, GPU-packing docking station. Hit the jump for more on the Vaio Z and the accompanying Power Media Dock

While still very rare, external graphics card docks for notebooks are nothing new. But Sony’s implementation of this idea is way more interesting than anything we have seen before. The Japanese electronics behemoth has just announced a new 13-inch ultraportable. Measuring 16.65mm at its thickest point and weighing a mere 2.64 pounds, the Vaio Z has been designed to receive an on-demand shot in the arm from its Light Peak-enabled Power Media Dock. Hit the jump for more.